50 POINTS write a lab report about Limiting Reactant and Percent Yield

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?

Asolution is produced in which water is the solvent and there are four solutes. which of the solutes can dissolve better if the solution is heated?